2081401 has 8 divisors (see below), whose sum is σ = 2387840. Its totient is φ = 1777248.

The previous prime is 2081383. The next prime is 2081407. The reversal of 2081401 is 1041802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081401 - 2⁵ = 2081369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (298480).

2^2081401 is an apocalyptic number.

It is an amenable number.

2081401 is a deficient number, since it is larger than the sum of its proper divisors (306439).

2081401 is an equidigital number, since it uses as much as digits as its factorization.

2081401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2081401 is about 1442.7061377841. The cubic root of 2081401 is about 127.6787394440.

The spelling of 2081401 in words is "two million, eighty-one thousand, four hundred one".